/******************************************************************************
 *
 *  Copyright (c) 2013, The Linux Foundation. All rights reserved.
 *  Not a Contribution.
 *  Copyright (C) 2005-2012 Broadcom Corporation
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at:
 *
 *  http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 *
 ******************************************************************************/

/******************************************************************************
 *
 *  This file contains BTA HID Device internal definitions
 *
 ******************************************************************************/

#ifndef BTA_HD_INT_H
#define BTA_HD_INT_H

#include "bta_sys.h"
#include "bta_hd_api.h"
#include "hiddefs.h"

enum
{
    BTA_HD_API_REGISTER_APP_EVT = BTA_SYS_EVT_START(BTA_ID_HD),
    BTA_HD_API_UNREGISTER_APP_EVT,
    BTA_HD_API_CONNECT_EVT,
    BTA_HD_API_DISCONNECT_EVT,
    BTA_HD_API_ADD_DEVICE_EVT,
    BTA_HD_API_REMOVE_DEVICE_EVT,
    BTA_HD_API_SEND_REPORT_EVT,
    BTA_HD_API_REPORT_ERROR_EVT,
    BTA_HD_API_VC_UNPLUG_EVT,
    BTA_HD_INT_OPEN_EVT,
    BTA_HD_INT_CLOSE_EVT,
    BTA_HD_INT_INTR_DATA_EVT,
    BTA_HD_INT_GET_REPORT_EVT,
    BTA_HD_INT_SET_REPORT_EVT,
    BTA_HD_INT_SET_PROTOCOL_EVT,
    BTA_HD_INT_VC_UNPLUG_EVT,
    BTA_HD_INT_SUSPEND_EVT,
    BTA_HD_INT_EXIT_SUSPEND_EVT,

    /* handled outside state machine */
    BTA_HD_API_ENABLE_EVT,
    BTA_HD_API_DISABLE_EVT
};
typedef UINT16 tBTA_HD_INT_EVT;

#define BTA_HD_INVALID_EVT (BTA_HD_API_DISABLE_EVT + 1)

typedef struct
{
    BT_HDR         hdr;
    tBTA_HD_CBACK  *p_cback;
} tBTA_HD_API_ENABLE;

#define BTA_HD_APP_NAME_LEN 50
#define BTA_HD_APP_DESCRIPTION_LEN 50
#define BTA_HD_APP_PROVIDER_LEN 50
#define BTA_HD_APP_DESCRIPTOR_LEN 2048

#define BTA_HD_STATE_DISABLED    0x00
#define BTA_HD_STATE_ENABLED     0x01
#define BTA_HD_STATE_IDLE        0x02
#define BTA_HD_STATE_CONNECTED   0x03
#define BTA_HD_STATE_DISABLING   0x04
#define BTA_HD_STATE_REMOVING    0x05

typedef struct
{
    BT_HDR  hdr;
    char    name[BTA_HD_APP_NAME_LEN + 1];
    char    description[BTA_HD_APP_DESCRIPTION_LEN + 1];
    char    provider[BTA_HD_APP_PROVIDER_LEN + 1];
    UINT8   subclass;
    UINT16  d_len;
    UINT8   d_data[BTA_HD_APP_DESCRIPTOR_LEN];

    tBTA_HD_QOS_INFO in_qos;
    tBTA_HD_QOS_INFO out_qos;
} tBTA_HD_REGISTER_APP;

#define BTA_HD_REPORT_LEN HID_DEV_MTU_SIZE

typedef struct
{
    BT_HDR  hdr;
    BOOLEAN use_intr;
    UINT8   type;
    UINT8   id;
    UINT16  len;
    UINT8   data[BTA_HD_REPORT_LEN];
} tBTA_HD_SEND_REPORT;

typedef struct
{
    BT_HDR  hdr;
    BD_ADDR addr;
} tBTA_HD_DEVICE_CTRL;

typedef struct
{
    BT_HDR  hdr;
    UINT8 error;
} tBTA_HD_REPORT_ERR;

/* union of all event data types */
typedef union
{
    BT_HDR                hdr;
    tBTA_HD_API_ENABLE    api_enable;
    tBTA_HD_REGISTER_APP  register_app;
    tBTA_HD_SEND_REPORT   send_report;
    tBTA_HD_DEVICE_CTRL   device_ctrl;
    tBTA_HD_REPORT_ERR    report_err;
} tBTA_HD_DATA;

typedef struct
{
    BT_HDR  hdr;
    BD_ADDR addr;
    UINT32  data;
    BT_HDR  *p_data;
} tBTA_HD_CBACK_DATA;

/******************************************************************************
** Main Control Block
*******************************************************************************/
typedef struct
{
    tBTA_HD_CBACK  *p_cback;
    UINT32         sdp_handle;
    UINT8          trace_level;
    UINT8          state;
    BD_ADDR        bd_addr;
    BOOLEAN        use_report_id;
    BOOLEAN        boot_mode;
    BOOLEAN        vc_unplug;
    BOOLEAN        disable_w4_close;
}
tBTA_HD_CB;

#if BTA_DYNAMIC_MEMORY == FALSE
extern tBTA_HD_CB  bta_hd_cb;
#else
extern tBTA_HD_CB *bta_hd_cb_ptr;
#define bta_hd_cb (*bta_hd_cb_ptr)
#endif

/*****************************************************************************
**  Function prototypes
*****************************************************************************/
extern BOOLEAN bta_hd_hdl_event(BT_HDR *p_msg);

extern void bta_hd_api_enable(tBTA_HD_DATA *p_data);
extern void bta_hd_api_disable(void);

extern void bta_hd_register_act(tBTA_HD_DATA *p_data);
extern void bta_hd_unregister_act(tBTA_HD_DATA *p_data);
extern void bta_hd_unregister2_act(tBTA_HD_DATA *p_data);
extern void bta_hd_connect_act(tBTA_HD_DATA *p_data);
extern void bta_hd_disconnect_act(tBTA_HD_DATA *p_data);
extern void bta_hd_add_device_act(tBTA_HD_DATA *p_data);
extern void bta_hd_remove_device_act(tBTA_HD_DATA *p_data);
extern void bta_hd_send_report_act(tBTA_HD_DATA *p_data);
extern void bta_hd_report_error_act(tBTA_HD_DATA *p_data);
extern void bta_hd_vc_unplug_act(tBTA_HD_DATA *p_data);

extern void bta_hd_open_act(tBTA_HD_DATA *p_data);
extern void bta_hd_close_act(tBTA_HD_DATA *p_data);
extern void bta_hd_intr_data_act(tBTA_HD_DATA *p_data);
extern void bta_hd_get_report_act(tBTA_HD_DATA *p_data);
extern void bta_hd_set_report_act(tBTA_HD_DATA *p_data);
extern void bta_hd_set_protocol_act(tBTA_HD_DATA *p_data);
extern void bta_hd_vc_unplug_done_act(tBTA_HD_DATA *p_data);
extern void bta_hd_suspend_act(tBTA_HD_DATA *p_data);
extern void bta_hd_exit_suspend_act(tBTA_HD_DATA *p_data);

#endif
